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    <title>集成Demo | Mars3D | 三维地图 | 火星科技 | 合肥火星科技有限公司</title>

    <!--第三方lib-->
    <script
      type="text/javascript"
      src="../lib/include-lib.js"
      libpath="../lib/"
      include="jquery,font-awesome,layer,haoutil,turf,mars3d,three"
    ></script>

    <link href="css/style.css" rel="stylesheet" />
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  <body class="dark">
    <!--加载前进行操作提示，优化用户体验-->
    <div id="mask" class="signmask" onclick="removeMask()"></div>

    <div id="mars3dContainer" class="mars3d-container"></div>

    <script src="./js/common.js"></script>
    <script src="./js/ThreeLayer.js"></script>

    <script type="text/javascript">
      "use script"; //开发环境建议开启严格模式
      var map;
      let threeLayer;

      function initMap(options) {
        //合并属性参数，可覆盖config.json中的对应配置
        var mapOptions = mars3d.Util.merge(options, {
          scene: {
            center: { lat: 30.980053, lng: 117.375049, alt: 110976, heading: 357, pitch: -50 },
          },
        });

        //创建三维地球场景
        map = new mars3d.Map("mars3dContainer", mapOptions);

        threeLayer = new ThreeLayer();
        map.addLayer(threeLayer);

        init3DObject();
      }

      function init3DObject() {
        let minWGS84 = [117.142184, 31.869697];
        let maxWGS84 = [117.357015, 31.713898];
        let ce = Cesium.Cartesian3.fromDegrees((minWGS84[0] + maxWGS84[0]) / 2, (minWGS84[1] + maxWGS84[1]) / 2 - 1, 200000);

        let geometry = new THREE.SphereGeometry(1, 32, 32);
        let sphere = new THREE.Mesh(geometry, new THREE.MeshPhongMaterial({ color: 0xffffff, side: THREE.DoubleSide })); //12面体

        // translate "up" in Three.js space so the "bottom" of the mesh is the handle
        sphere.scale.set(5000, 5000, 5000);
        sphere.uuid = "sphere";
        var sphereYup = new THREE.Group();
        sphereYup.add(sphere);
        threeLayer.scene.add(sphereYup); // don’t forget to add it to the Three.js scene manually
        sphereYup.position.set(ce.x, ce.y, ce.z);

        let _3Dobjects = [];

        let _3DOB = new _3DObject();
        _3DOB.threeMesh = sphereYup;
        _3DOB.minWGS84 = minWGS84;
        _3DOB.maxWGS84 = maxWGS84;
        _3Dobjects.push(_3DOB);

        geometry = new THREE.DodecahedronGeometry();
        let dodecahedronMesh = new THREE.Mesh(geometry, new THREE.MeshNormalMaterial()); //12面体
        dodecahedronMesh.scale.set(5000, 5000, 5000);
        dodecahedronMesh.position.z += 15000;
        // translate "up" in Three.js space so the "bottom" of the mesh is the handle
        dodecahedronMesh.rotation.x = Math.PI / 2; // rotate mesh for Cesium's Y-up system
        dodecahedronMesh.uuid = "12面体";

        var dodecahedronMeshYup = new THREE.Group();
        dodecahedronMeshYup.add(dodecahedronMesh);
        threeLayer.scene.add(dodecahedronMeshYup); // don’t forget to add it to the Three.js scene manually
        dodecahedronMeshYup.position.set(ce.x, ce.y, ce.z);
        //    Assign Three.js object mesh to our object array
        _3DOB = new _3DObject();
        _3DOB.threeMesh = dodecahedronMeshYup;
        _3DOB.minWGS84 = minWGS84;
        _3DOB.maxWGS84 = maxWGS84;
        _3Dobjects.push(_3DOB);

        //添加灯光
        //添加点光源
        var spotLight = new THREE.SpotLight(0xffffff);
        spotLight.position.set(0, 0, 50000);
        spotLight.castShadow = true; //设置光源投射阴影
        spotLight.intensity = 1;
        sphereYup.add(spotLight);

        //添加环境光
        var hemiLight = new THREE.HemisphereLight(0xff0000, 0xff0000, 1);
        sphereYup.add(hemiLight);

        var cartToVec = function (cart) {
          return new THREE.Vector3(cart.x, cart.y, cart.z);
        };

        // // Configure Three.js meshes to stand against globe center position up direction
        for (let id in _3Dobjects) {
          minWGS84 = _3Dobjects[id].minWGS84;
          maxWGS84 = _3Dobjects[id].maxWGS84;
          // convert lat/long center position to Cartesian3
          var center = Cesium.Cartesian3.fromDegrees((minWGS84[0] + maxWGS84[0]) / 2, (minWGS84[1] + maxWGS84[1]) / 2);

          // get forward direction for orienting model
          var centerHigh = Cesium.Cartesian3.fromDegrees((minWGS84[0] + maxWGS84[0]) / 2, (minWGS84[1] + maxWGS84[1]) / 2, 1);

          // use direction from bottom left to top left as up-vector
          var bottomLeft = cartToVec(Cesium.Cartesian3.fromDegrees(minWGS84[0], minWGS84[1]));
          var topLeft = cartToVec(Cesium.Cartesian3.fromDegrees(minWGS84[0], maxWGS84[1]));
          var latDir = new THREE.Vector3().subVectors(bottomLeft, topLeft).normalize();

          // configure entity position and orientation
          _3Dobjects[id].threeMesh.position.copy(center);
          _3Dobjects[id].threeMesh.lookAt(centerHigh);
          _3Dobjects[id].threeMesh.up.copy(latDir);
        }
      }
      function _3DObject() {
        this.threeMesh = null;
        this.minWGS84 = null;
        this.maxWGS84 = null;
      }
    </script>
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